MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1204.002 Malicious Link
The PDF contains numerous embedded links, including one pointing to a known malicious redirector. The document body, though heavily obfuscated, appears to contain the same URL, suggesting a lure to a malicious site disguised as a questionnaire. The presence of a large number of external PDF links indicates a potential SEO spam or link farm operation.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://ttraff.ru/pify?keyword=impact+of+internet+on+students+academic+performance+questionnaire+pdf
- http://files.tenwebtv.com/uploads/1/3/0/9/130969714/litikikenan.pdf
- http://files.edncf.org/uploads/1/3/0/8/130814118/ab9753.pdf
- http://files.missionmuffins.org/uploads/1/3/1/3/131383821/c89a2bf1.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0435/5801/1035/files/79667870803.pdf
- https://cdn.shopify.com/s/files/1/0430/0288/8351/files/65293553943.pdf
- https://cdn.shopify.com/s/files/1/0427/4470/9276/files/69020797885.pdf
- https://cdn.shopify.com/s/files/1/0431/4447/8874/files/94003153996.pdf
- https://cdn.shopify.com/s/files/1/0430/9480/2581/files/98321079581.pdf
- https://cdn.shopify.com/s/files/1/0438/1274/9469/files/78701737565.pdf
- https://cdn.shopify.com/s/files/1/0430/5934/7618/files/4016622476.pdf
- https://cdn.shopify.com/s/files/1/0433/8014/6339/files/gorakupogugak.pdf
- https://cdn.shopify.com/s/files/1/0438/0049/4241/files/furax.pdf
- https://cdn.shopify.com/s/files/1/0437/8053/8526/files/tiworker._exe_high_cpu.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/nunixa.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b23e.bin466df16f2b8711cafece8d6bcfd64cabc94d7def43234d92f2feb170e33563d6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB23E | 5332 bytes |
font_01_sfnt_off0000c446.bin1c6f57efb8f501ead1d87fb70a81e818b5a768b3c944c637c943210ec79ec308 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC446 | 13500 bytes |
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